diff options
Diffstat (limited to 'fs/proc/namespaces.c')
| -rw-r--r-- | fs/proc/namespaces.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c index 7a6d8d69cdb8..b7a47196c8c3 100644 --- a/fs/proc/namespaces.c +++ b/fs/proc/namespaces.c @@ -82,7 +82,7 @@ static struct dentry *proc_ns_get_dentry(struct super_block *sb, return ERR_PTR(-ENOMEM); } - inode = new_inode(sb); + inode = iget_locked(sb, ns_ops->inum(ns)); if (!inode) { dput(dentry); ns_ops->put(ns); @@ -90,13 +90,17 @@ static struct dentry *proc_ns_get_dentry(struct super_block *sb, } ei = PROC_I(inode); - inode->i_ino = get_next_ino(); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_op = &ns_inode_operations; - inode->i_mode = S_IFREG | S_IRUGO; - inode->i_fop = &ns_file_operations; - ei->ns_ops = ns_ops; - ei->ns = ns; + if (inode->i_state & I_NEW) { + inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_op = &ns_inode_operations; + inode->i_mode = S_IFREG | S_IRUGO; + inode->i_fop = &ns_file_operations; + ei->ns_ops = ns_ops; + ei->ns = ns; + unlock_new_inode(inode); + } else { + ns_ops->put(ns); + } d_set_d_op(dentry, &ns_dentry_operations); result = d_instantiate_unique(dentry, inode); @@ -162,12 +166,12 @@ static int proc_ns_readlink(struct dentry *dentry, char __user *buffer, int bufl if (!ns) goto out_put_task; - snprintf(name, sizeof(name), "%s", ns_ops->name); + snprintf(name, sizeof(name), "%s:[%u]", ns_ops->name, ns_ops->inum(ns)); len = strlen(name); if (len > buflen) len = buflen; - if (copy_to_user(buffer, ns_ops->name, len)) + if (copy_to_user(buffer, name, len)) len = -EFAULT; ns_ops->put(ns); |